212102121110011 has 8 divisors (see below), whose sum is σ = 231384250799424. Its totient is φ = 192820011200520.

The previous prime is 212102121109993. The next prime is 212102121110023. The reversal of 212102121110011 is 110011121201212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212102121110011 - 2²³ = 212102112721403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212102121114011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25772020 + ... + 32990926.

It is an arithmetic number, because the mean of its divisors is an integer number (28923031349928).

Almost surely, 2^{212102121110011} is an apocalyptic number.

212102121110011 is a deficient number, since it is larger than the sum of its proper divisors (19282129689413).

212102121110011 is a wasteful number, since it uses less digits than its factorization.

212102121110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9889961.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 212102121110011 its reverse (110011121201212), we get a palindrome (322113242311223).

The spelling of 212102121110011 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty-one million, one hundred ten thousand, eleven".